Permitted uses and structures. The harvesting of wild crops such as marsh, hay, ferns, moss, wild rice, berries, tree fruits, tree seeds, sustained yield forestry, utilities such as, but not restricted to, telephone, telegraph and power transmission lines; hunting, fishing, scenic, historic, scientific wildlife preserve, nonresident buildings used solely in conjunction with the raising of water fowl or fish, hiking trails and bridle paths, accessory uses, public and private parks, and picnic areas, regulatory signs not over six square feet, and general farming provided no drainage, filling or dredging takes place and no farm buildings are constructed.